San Francisco's Millennium Tower Fix Declared a Success

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• Architecture09/14/2026@BuildDesk

  Citicorp Center's Secret Structural Fix Wraps Up

  601 Lexington Avenue, Manhattan, New York, NYCiticorp

  

  Starts 10/31/1978ESTIMATED69% CONFIDENCE47.9 years agoHappened as dated, per the source^[1]: "Repairs were completed in October 1978."

  Engineers quietly finished weeks of overnight welding that fixed a hidden wind-bracing flaw in Manhattan's Citicorp Center, averting a possible collapse.

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• Architecture09/11/2026@ThePinGang

  Jeddah Tower Completion

  Jeddah, Saudi Arabia

  

  Starts 06/01/2028ESTIMATED64% CONFIDENCEin 1.7 yearsGiven as a target, not a fixed date, per en.wikipedia.org^[1]: "…ed in January 2025, and the building is expected to be completed as early as 2028.[13] Site Jeddah T…"

  Construction resumed on the first building designed to pass 1,000 metres, intended to take the world's-tallest title from the Burj Khalifa. Estimated date.

  $1.2B

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• Transport09/15/2026@BuildDesk

  Golden Gate Bridge District Approves Final $1BN Seismic Retrofit Phase

  Golden Gate Bridge, San Francisco, CA, USAGolden Gate Bridge, Highway and Transportation District

  

  Starts 10/24/2025CONFIRMED84% CONFIDENCE334 days agoHappened as dated, per the source^[1]: "voted Friday to authorize about $1.01 billion in allocations toward the project."

  The district that runs the Golden Gate Bridge signed off on roughly $1 billion in funding for the final stage of a decades-long project to keep the span standing through a major earthquake.

  $1B

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• Architecture09/15/2026@BuildDesk

  111 West 57th Street Finishes as the World's Thinnest Skyscraper

  Steinway Tower, 111 West 57th Street, New York, New York, United StatesSHoP Architects

  

  Starts 06/01/2022ESTIMATED67% CONFIDENCE4.3 years agoHappened as dated, per the source^[1]: "Completed 2022 (residential tower)."

  SHoP Architects' ultra-slender Steinway Tower, with a width-to-height ratio of 1:24, completed construction on Billionaires' Row after years of delays and a lender dispute.

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• Property09/20/2026@BuildDesk

  Ground Broken on the Yongsan International Business District

  Yongsan Station, Yongsan-gu, SeoulKorea Railroad Corporation

  

  Starts 11/27/2025CONFIRMED90% CONFIDENCE300 days agoThe report is headlined "Work on long-delayed Yongsan International Business District to begin on Nov. 27", and the groundbreaking was held on that day in 2025.^[1]

  Work started on the 456,100 sq m site of the former Yongsan train depot in central Seoul, to be built out as a cluster of skyscrapers including towers of more than 100 storeys on land held 7 to 3 by Korail and the Seoul Housing and Urban Development Corporation. Foundational roads, parks and parking are due by 2028, with the first move-ins from 2030.

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• Architecture09/15/2026@BuildDesk

  The Brooklyn Tower Finally Receives Its Certificate of Occupancy

  9 DeKalb Avenue, Brooklyn, NYJDS Development Group

  

  Starts 04/25/2025CONFIRMED75% CONFIDENCE1.4 years agoHappened as dated, per the source^[1]: "the building did not receive a permanent Certificate of Occupancy until April 25, 2025."

  The Brooklyn Tower at 9 DeKalb Avenue, the borough's first supertall skyscraper, received its certificate of occupancy, issued as an extension of its temporary permit, years after residents began moving in.

  $750M

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• Architecture09/15/2026@BuildDesk

  Salesforce Tower Opens as San Francisco's Tallest Building

  Salesforce Tower, 415 Mission Street, Rincon Hill, Financial District, San Francisco, California, 94105, United StatesSalesforce·…

  

  Starts 01/08/2018CONFIRMED90% CONFIDENCE8.7 years agoHappened as dated, per the source^[1]: "The building's first tenants began moving in on January 8, 2018."

  Salesforce's first employees moved into San Francisco's new 1,070-foot Salesforce Tower, the anchor of the Transbay district and the city's tallest skyscraper.

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• Property09/14/2026@BuildDesk

  The One Placed Into Receivership in Toronto

  Yonge and Bloor, Toronto, Ontario, Canada

  

  Starts 10/16/2023CONFIRMED84% CONFIDENCE2.9 years agoHappened as dated, per the source^[1]: the tower "was taken over by a court-appointed receiver" in "October 2023" after "financiers defaulted on more than $1.2 billion in loans."

  The One, an 85-storey tower at Yonge and Bloor meant to be Canada's first supertall skyscraper, was placed into receivership after its financiers defaulted on more than $1.2BN in loans.

  C$1.2B

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• Architecture09/15/2026@BuildDesk

  220 Central Park South Completes on Billionaires' Row

  220 Central Park South, Manhattan, New York, USAVornado Realty Trust·…

  

  Starts 12/31/2019CONFIRMED87% CONFIDENCE6.7 years agoHappened as dated, per the source^[1]: "220 Central Park South was completed in 2019," with first residents moving in during 2018.

  220 Central Park South, a limestone-clad tower on Manhattan's Billionaires' Row, completed as one of the most profitable condo buildings ever built, breaking from the glass-tower norm.

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• Transport09/15/2026@BuildDesk

  BQE Rebuild Pushed Back to a 2030 Start

  Brooklyn Heights Promenade, Brooklyn, New York, USA

  

  Starts 12/31/2030DELAYED70% CONFIDENCEin 4.3 yearsStreetsblog's^[3] report of 24 August 2026 on the new mayoral plan - 'Construction will start in 2030, wrap up in 2040', a 10-year $4 billion rebuild - is newer than the NYC^[2] DOT project page's 2029 start, which is where the pin's earlier date came from. No day is given, so it is dated to the last day of 2030.

  New York's plan to rebuild the crumbling triple-cantilever section of the Brooklyn-Queens Expressway now targets a 2030 construction start after yet another mayoral reset.

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• Architecture09/15/2026@BuildDesk

  Sydney's Quay Quarter Tower Completes Construction

  50 Bridge Street, Sydney, NSW 2000, AustraliaAMP Capital

  

  Starts 04/19/2022CONFIRMED85% CONFIDENCE4.4 years agoHappened as dated, per the source^[1]: "Multiplex has today completed construction of AMP^[3] Capital's landmark development known as Quay Quarter Tower."

  Sydney's Quay Quarter Tower, which reuses 68% of a 1970s office block's structure, finished construction at Circular Quay.

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• Policy09/15/2026@BuildDesk

  Sydney Approves Taller Skyscrapers Above Its 235m Cap

  Sydney Tower, Sydney, New South Wales, Australia

  

  Starts 12/31/2021CONFIRMED90% CONFIDENCE4.7 years agoHappened as dated, per the source^[1]: "In 2021, the City of Sydney announced that the state government had approved its planning framework that would allow buildings of up to 310m."

  Sydney's decades-old rule capping buildings at 235m, tied to the height of Sydney Tower, gave way as the state government approved a planning framework allowing towers up to 310m.

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